From the answer:
Hello there, d.riseberg.... QuickBooks can easily track grant/gift from your donors or members.... You can enter these revenues as donations to ensure the correct tax fields are used for year-end deductions.

From the answer:
Hi , I've got your query covered on how you can convert an overpayment into a credit memo.... Follow these steps to record a credit memo : Go to the Customers menu, then select Create Credit Memos/Refunds .